Chemistry, asked by sanjaicena, 8 months ago

An element 'X' has the mass number 4 and atomic number 2, this element is

Answers

Answered by YouTuberAarohiAaryan

Answer:

X is Helium as its mass no. is 4 and atomic no. is 2

Answered by omdubey356

Name helium

symbol He

atomic number 2

mass number 4

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